GUELPH AT THE CROSSROADS This year, the Guelph Jazz Festival organization is in transition, after its former director, Scott Thomson, was appointed artistic and general director of FIMAV (the Festival International de Musique Actuelle de Victoriaville) last year. The Guelph festival’s Interim Artistic Director Karen Ng and Interim General Manager Alex Ricci and their team have nevertheless assembled a promising lineup featuring a range of creative groups from Ontario, Quebec and the U.S. They’ve retained a strong focus on improvised music, in keeping with the Guelph Jazz Festival’s distinctive flavour, while also adding some world and electronic musics in the…